4-19. REMOVE/lNSTALL FLUORESCENT LIGHT BALLAST.
This task covers:
General Mechanics Tool Kit, Appendix B, Item 1
Power to lights turned off by placing circuit breaker CB17 in the OFF position.
General Safety Instructions
Before performing any maintenance actions on electrical equipment
ensure all electrical power has been turned off. Death or serious
injury may occur from failure to do this.
Remove ballast. See figure 4-10.
There are three ballast, one for each bulb in the light fixture. Two are
located at one end of the fixture and one at the opposite end. The
single ballast may be identified by the factory information written on
its ballast cover.
Remove four diffuser mounting screws and remove diffuser.
Remove two screws and remove ballast cover.
If wires are connected with clinched wire nuts, use pliers with side
cutter to disconnect.
Tag electrical wires for reconnection and disconnect from ballast.
Remove nuts and lockwashers and remove ballast.
Install ballast. See figure 4-10.
Place new ballast in light fixture and connect electrically using wire nuts. Remove tags.
Install ballast using two screws and lockwasher.